Foren / Cotonti / Skins / Foster - admin theme

To make it easier to keep track of updates and other things, I'll put a forum topic here for the Foster administration panel theme.

The Foster theme can be found here: http://www.cotonti.com/themes/admin-panel/foster
The GitHub repository here: https://github.com/Twiebie/cot-foster

Updates:
Added a max-width toggle switch.
Added Russian language file by Trustmaster.